Home / 3,349.35-5,021.19-1,268.21

Finding the Fourth Proportional to 3,349.35, 5,021.19 and 1,268.21

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Solution

The fourth proportional to 3,349.35, 5,021.19 and 1,268.21 is: 1,901.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349.35 : 5,021.19 = 1,268.21 : x
  2. Step 2: Convert to fraction form
    3,349.35/5,021.19 = 1,268.21/x
  3. Step 3: Cross multiply
    3,349.35x = 5,021.19 × 1,268.21
  4. Step 4: Simplify right side
    3,349.35x = 6,367,907.68
  5. Step 5: Solve for x
    x = 6,367,907.68/3,349.35
  6. Step 6: Final answer
    x = 1,901.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.